Study finds areas of ‘super basin’ suitable for storing industrial emissions

Scientists from the University’s Centre for Energy Transition used subsurface data and techniques usually employed in oil and gas exploration to produce a detailed technical study of the Anglo-Polish Super Basin in the Southern North Sea to determine its suitability for carbon capture, utilisation and storage (CCUS).

Their results confirm the potential of the area – a hydrocarbon basin – as a future CCUS hub where industrial emissions can be stored in former gas fields and other geological formations.

The basin could play a major role in helping European nations sequester carbon emissions and meet net zero targets while promoting energy security, protecting industrial activity and prolonging the life of North Sea basin infrastructure.

As well as showing the geological criteria that determine the areas with the greatest potential, the study also highlights the need to assess non-geological risks – such as the potential for leaks along legacy wells and the need to avoid co-location conflicts with other stakeholders such as windfarm operators.

The research provides a framework that can be used to determine CCUS suitability in other major basins around the world.

The two-year study funded by the Net Zero Technology Centre was led by Professor John Underhill, director of the University’s Centre for Energy Transition, along with colleagues from Heriot Watt University in Edinburgh. It was published in the AAPG Bulletin.

In a statement, Professor Underhill said: “The study highlights the areas where the best carbon stores are located and provides a basis to evaluate and rank sites.

“Perhaps just as importantly, it also demonstrates the urgent need for regulators and stakeholders to work together to resolve any issues that may arise from the co-location and overlap of technologies to avoid competition for the offshore real estate. This is vital in ensuring that the UK remains on track to retain energy security and meet its net zero emission targets.

“The study also has global relevance and application, and the workflow we have used has already been adopted by other countries. We have also used it to undertake studies in other parts of the UK as well as in Malaysia, Egypt and Brazil.”

Graeme Davies, Harbour Energy’s project director of Viking Carbon Capture and Storage (CCS) project said the study into the basin’s geology and structured approach to risk segment analysis provides ‘a robust platform for the long-term development of CO2 storage opportunities and provides further insight into how we are well positioned to use our existing oil and gas sector’s skills, data and infrastructure to help develop the burgeoning CCS industry in the UK.’